Home / 282,579.26-389,953.10-153,514.40

Finding the Fourth Proportional to 282,579.26, 389,953.10 and 153,514.40

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Solution

The fourth proportional to 282,579.26, 389,953.10 and 153,514.40 is: 211,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,579.26 : 389,953.10 = 153,514.40 : x
  2. Step 2: Convert to fraction form
    282,579.26/389,953.10 = 153,514.40/x
  3. Step 3: Cross multiply
    282,579.26x = 389,953.10 × 153,514.40
  4. Step 4: Simplify right side
    282,579.26x = 59,863,414,608.66
  5. Step 5: Solve for x
    x = 59,863,414,608.66/282,579.26
  6. Step 6: Final answer
    x = 211,846.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.